Home / 808,147.88-1,115,964.96-769,864.44

Finding the Fourth Proportional to 808,147.88, 1,115,964.96 and 769,864.44

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Solution

The fourth proportional to 808,147.88, 1,115,964.96 and 769,864.44 is: 1,063,099.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,147.88 : 1,115,964.96 = 769,864.44 : x
  2. Step 2: Convert to fraction form
    808,147.88/1,115,964.96 = 769,864.44/x
  3. Step 3: Cross multiply
    808,147.88x = 1,115,964.96 × 769,864.44
  4. Step 4: Simplify right side
    808,147.88x = 859,141,738,990.02
  5. Step 5: Solve for x
    x = 859,141,738,990.02/808,147.88
  6. Step 6: Final answer
    x = 1,063,099.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.